Showing results for
About 100 million years ago, during the heyday of the dinosaurs, reefs were built...
Fri, 12/04/2009 - 14:25
Tardigrades, which are usually less than 1 mm long, can be found in almost every...
How long have jellyfish lived in the ocean? This jellyfish fossil is from the...
These "elevator" rudists, an ancient bivalve, used one long heavy valve to anchor...